This script is Copyright (C) 2008-2016 Tenable Network Security, Inc.
The remote Gentoo host is missing one or more security-related
The remote host is affected by the vulnerability described in GLSA-200809-02
(dnsmasq: Denial of Service and DNS spoofing)
Dan Kaminsky of IOActive reported that dnsmasq does not randomize UDP
source ports when forwarding DNS queries to a recursing DNS server
Carlos Carvalho reported that dnsmasq in the 2.43 version does not
properly handle clients sending inform or renewal queries for unknown
DHCP leases, leading to a crash (CVE-2008-3350).
A remote attacker could send spoofed DNS response traffic to dnsmasq,
possibly involving generating queries via multiple vectors, and spoof
DNS replies, which could e.g. lead to the redirection of web or mail
traffic to malicious sites. Furthermore, an attacker could generate
invalid DHCP traffic and cause a Denial of Service.
There is no known workaround at this time.
See also :
All dnsmasq users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-dns/dnsmasq-2.45'
Risk factor :
Medium / CVSS Base Score : 5.0
CVSS Temporal Score : 4.3
Public Exploit Available : false
Family: Gentoo Local Security Checks
Nessus Plugin ID: 34091 (gentoo_GLSA-200809-02.nasl)
CVE ID: CVE-2008-1447CVE-2008-3350
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